smokeloader | 069b72f63213700ec54cced47b46ae6db1634f807ef2caeb1b2d7b2932708857

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 23:21

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General

Target

idjvgwd.exe
Size

1.2MB
MD5

ea0e8e6b849a09e27aed632bda488d8c
SHA1

de4a5e2aa40a3593090247d14cd5d01f1ae30450
SHA256

b10cba4d61edc00dbf593421ccf9b3eafd5e4a50d8049f6a36030a398da01e15
SHA512

acbbe334f8e0d9e2a7054582699d8aa40d61f877d49b3b37875182970e641b4287f020dafb2f8f46576fec6616800be3e7706bbccb4d43b3b74f468530ae49bd
SSDEEP

3072:zBN4vl/J5yf3hVx7jDM63Pg2JiVbF4381uugHymX371ZafBWvrBQ8CAsOwhWhoO:9YdyfRVx4+Ye38IuANZZaf0Q8+O0W

Score

10^/10

smokeloader 2210 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2210

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Loads dropped DLL 1 IoCs

Processes:

idjvgwd.exe

pid	Process
2124	idjvgwd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

idjvgwd.exe

description	pid	Process	procid_target
PID 1800 set thread context of 2124	1800	idjvgwd.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

idjvgwd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idjvgwd.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

idjvgwd.exe

description	pid	Process	procid_target
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30
PID 1800 wrote to memory of 2124	1800	idjvgwd.exe	30

C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe
"C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe
  "C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"
  2⤵
  - Loads dropped DLL
  PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\4DD3.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1800-2-0x0000000000030000-0x000000000003D000-memory.dmp

Filesize
52KB

Download
memory/1800-1-0x0000000000020000-0x000000000002C000-memory.dmp

Filesize
48KB

Download
memory/1800-0-0x0000000000400000-0x00000000047B8000-memory.dmp

Filesize
67.7MB

Download
memory/2124-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2124-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2124-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2124-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download